henderson manufacturing,inc. has a manufacturing machine that needs attention. the company is considering two options. option 1 is to refurbish the current machine at a cost of $120,000,000, if refurbished, henderson expects the machine to last another eight years and then have no residual value. option 2 is to replace the machine at a cost of $ 4,600,000. a new machine would last 10 years and have no residual factor. henderson expects the following net cash inflows from the two options: refurbish machine year 1.350,000 year 2. 340,000 year 3. 270,000 year 4. 200,000 year 5. 130,000 year 6. 130,000 year 7. 130,000 year 8. 130,000 year 9. 0 purchase new machine year 1. 3,780,000 year 2. 510,000 year 3. 440,000 year 4. 370,000 year 5. 300,000 year 6. 300,000 year 7. 300,000 year 8. 300,000 year 9. 300,000 year 10. 300,000 henderson uses a straight-line depreciation and requires an annual return of 10%. requirement 1. compute the payback, the arr, the npv, and the profitability index of these 2 options. requirement 2. which option should henderson choose? why?